Zn添加对预时效态Al-Mg-Si-Cu合金自然时效和烘烤硬化性的影响
朱上1,李志辉1(
),闫丽珍1,李锡武1,张永安1,熊柏青1,2
),闫丽珍1,李锡武1,张永安1,熊柏青1,2
Effects of Zn Addition on the Natural Ageing Behavior and Bake Hardening Response of a Pre-Aged Al-Mg-Si-Cu Alloy
ZHU Shang1,LI Zhihui1(),YAN Lizhen1,LI Xiwu1,ZHANG Yongan1,XIONG Baiqing1,2
),YAN Lizhen1,LI Xiwu1,ZHANG Yongan1,XIONG Baiqing1,2
图2. 预时效态不含Zn和含Zn合金在自然时效和后续烘烤过程中显微硬度的变化曲线
Fig.2. Vickers hardness curves of the pre-aged Zn-free and Zn-added alloys during natural ageing (a) and subsequent bake-hardening treatment (b)
